There are other questions, of course, which you could have asked, but these two clearly illustrate how different two papers on the same general subject might be. By asking yourself a question as a means of starting research on a topic you will help yourself find the answers. You also open the door to loading the evidence one way or another. It will help you decide what kinds of evidence might be pertinent to your question, and it can also twist perceptions of a topic. For example, if you ask a question about economics as motivation, you are not likely to learn much about ideals, and vice versa.